| article html file updated | 9 February 2020 19:34 CET | Update | https://www.mdpi.com/2311-5521/3/2/37 |
| article html file updated | 4 October 2019 02:21 CEST | Update | - |
| article html file updated | 30 April 2019 15:27 CEST | Update | - |
| article html file updated | 16 April 2019 15:58 CEST | Update | - |
| article html file updated | 30 March 2019 05:53 CET | Update | - |
| article html file updated | 27 June 2018 09:33 CEST | Update | - |
| article html file updated | 30 May 2018 18:42 CEST | Original file | - |
| article pdf uploaded. | 30 May 2018 11:56 CEST | Version of Record | https://www.mdpi.com/2311-5521/3/2/37/pdf |
| article xml uploaded. | 30 May 2018 11:56 CEST | Update | https://www.mdpi.com/2311-5521/3/2/37/xml |
| article xml file uploaded | 30 May 2018 11:56 CEST | Original file | - |
